The Comparative Analysis :
BMW Z4 Roadster sDrive28i (11 - 13) vs. Mercedes SLK 300 9G-TRONIC (15 - 16)
€ 43,600
![BMW Z4 Roadster sDrive28i (11 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
€ 46,100
![Mercedes SLK 300 9G-TRONIC (15 - 16)](graphbase/cars/cars_big/Mercedes_SLK_R172.webp)
€ 43,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive28i is 10.5 cm longer, 2 cm narrower and 1 cm lower than the Mercedes SLK 300.
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
1291
1790
1951
1301
1810
2006
1790 mm
Width
1810 mm
1951 mm
Width Incl. Mirrors
2006 mm
1291 mm
Height
1301 mm
2496
4239
2430
4134
4239 mm
Length
4134 mm
2496 mm
Wheelbase
2430 mm
Vehicle Weight
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
1475 kg
Kerb Weight
1505 kg
1730 kg
Gross Vehicle
Weight
Weight
1820 kg
![BMW Z4 Roadster sDrive28i (11 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
Weight Difference:
30 kg
1.99 %
![Mercedes SLK 300 9G-TRONIC (15 - 16)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
General
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
E89
Generation
R172
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drive
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
BMW N20
Engine Series
Mercedes-Benz M 274
N20-B20
Engine Code
M 274.920
![](graphbase/engines/BMW_N20.png)
![](graphbase/engines/Mercedes-Benz_M_274.png)
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1991 CC
242 bhp
at 5000 rpm
Power
242 bhp
at 5500 rpm
BMW Z4 Roadster sDrive28i
242 bhp
242 bhp
Mercedes SLK 300
350 NM
at 1250 rpm
Max. Torque
370 NM
at 1300 rpm
BMW Z4 Roadster sDrive28i
350 NM
370 NM
Mercedes SLK 300
Performance
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
155 mph
Maximum Speed
151 mph
5.7 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
79 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
92 m
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_SLK_R172.png)
Mercedes SLK 300
▶ REPLAY
6.1 kg/bhp
Weight-to-Power Ratio
6.22 kg/bhp
BMW Z4 Roadster sDrive28i
6.1 kg/bhp
6.22 kg/bhp
Mercedes SLK 300
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
Fuel Economy
42 mpg
combined
46 mpg
BMW Z4 Roadster sDrive28i
42 mpg
46 mpg
Mercedes SLK 300
32 mpg
city
36 mpg
No data
motorway
54 mpg
55 L
Fuel Tank Capacity
60 L
503 mi
Range
601 mi
BMW Z4 Roadster sDrive28i
503 mi
601 mi
Mercedes SLK 300
Environmental Impact
128.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
117.5 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
117.5 kWh
Mercedes SLK 300
Euro 5
Emission Standard
Euro 6b (NEFZ)
159 g/km (NEFZ)
CO2 Emissions
144 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive28i
Mercedes SLK 300
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
315 kg
310 L
Boot Capacity
335 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data